/* ============================================
   TRADE FOUNDERS — Master Stylesheet
   ============================================ */

/* ---------- CSS Custom Properties ---------- */
:root {
  /* Brand Colors */
  --color-charcoal: #1A1A2E;
  --color-charcoal-light: #2D2D3A;
  --color-gold: #D4A843;
  --color-gold-hover: #C49A3A;
  --color-gold-light: rgba(212, 168, 67, 0.12);
  --color-offwhite: #F8F7F4;
  --color-white: #FFFFFF;
  --color-steel: #3A6B8C;
  --color-steel-light: rgba(58, 107, 140, 0.10);
  --color-text-dark: #2D2D3A;
  --color-text-light: #E8E6E1;
  --color-text-muted: #6B6B7B;
  --color-border: #E0DDD6;
  --color-border-dark: #3A3A4E;
  --color-success: #4CAF50;

  /* Typography */
  --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-md: 1.125rem;
  --font-size-lg: 1.25rem;
  --font-size-xl: 1.5rem;
  --font-size-2xl: 2rem;
  --font-size-3xl: 2.5rem;
  --font-size-4xl: 3.25rem;

  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 0.75rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;
  --space-3xl: 4rem;
  --space-4xl: 6rem;
  --space-5xl: 8rem;

  /* Layout */
  --max-width: 1200px;
  --max-width-narrow: 800px;
  --border-radius: 8px;
  --border-radius-lg: 12px;
  --border-radius-xl: 16px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.08);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
  --shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.15);

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-base: 250ms ease;
  --transition-slow: 400ms ease;
}

/* ---------- Reset & Base ---------- */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: var(--font-size-base);
  line-height: 1.6;
  color: var(--color-text-dark);
  background-color: var(--color-offwhite);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img {
  max-width: 100%;
  height: auto;
  display: block;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-fast);
}

ul, ol {
  list-style: none;
}

button {
  cursor: pointer;
  border: none;
  background: none;
  font-family: inherit;
  font-size: inherit;
}

input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

/* ---------- Utility Classes ---------- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.container--narrow {
  max-width: var(--max-width-narrow);
}

.section {
  padding: var(--space-5xl) 0;
}

.section--dark {
  background-color: var(--color-charcoal);
  color: var(--color-text-light);
}

.section--light {
  background-color: var(--color-offwhite);
}

.section--white {
  background-color: var(--color-white);
}

.text-center {
  text-align: center;
}

.text-muted {
  color: var(--color-text-muted);
}

/* ---------- Typography ---------- */
h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  font-weight: 700;
  letter-spacing: -0.02em;
}

h1 { font-size: var(--font-size-4xl); }
h2 { font-size: var(--font-size-3xl); }
h3 { font-size: var(--font-size-xl); }
h4 { font-size: var(--font-size-lg); }

.section-headline {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-md);
}

.section-subtitle {
  font-size: var(--font-size-md);
  color: var(--color-text-muted);
  max-width: 640px;
  margin: 0 auto var(--space-3xl);
  line-height: 1.7;
}

.section--dark .section-subtitle {
  color: rgba(232, 230, 225, 0.7);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  padding: 0.8rem 1.8rem;
  font-weight: 600;
  font-size: var(--font-size-base);
  border-radius: var(--border-radius);
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn--primary {
  background-color: var(--color-gold);
  color: var(--color-charcoal);
}

.btn--primary:hover {
  background-color: var(--color-gold-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-gold);
  border: 2px solid var(--color-gold);
}

.btn--secondary:hover {
  background-color: var(--color-gold);
  color: var(--color-charcoal);
}

.btn--dark {
  background-color: var(--color-charcoal);
  color: var(--color-text-light);
}

.btn--dark:hover {
  background-color: var(--color-charcoal-light);
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}

.btn--large {
  padding: 1rem 2.4rem;
  font-size: var(--font-size-md);
  border-radius: var(--border-radius-lg);
}

.btn--small {
  padding: 0.5rem 1.2rem;
  font-size: var(--font-size-sm);
}

.btn--full {
  width: 100%;
}

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: var(--color-charcoal);
  border-bottom: 1px solid var(--color-border-dark);
  transition: background-color var(--transition-base), box-shadow var(--transition-base);
}

.nav--scrolled {
  box-shadow: var(--shadow-lg);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--space-xl);
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  text-decoration: none;
}

.nav__logo-mark {
  width: 40px;
  height: 40px;
  background-color: var(--color-gold);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--color-charcoal);
  letter-spacing: -0.03em;
}

.nav__logo-text {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-text-light);
  letter-spacing: -0.02em;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-2xl);
}

.nav__link {
  color: var(--color-text-light);
  font-size: var(--font-size-sm);
  font-weight: 500;
  opacity: 0.8;
  transition: opacity var(--transition-fast);
}

.nav__link:hover,
.nav__link--active {
  opacity: 1;
}

.nav__cta {
  margin-left: var(--space-md);
}

/* Mobile menu toggle */
.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 4px;
}

.nav__toggle span {
  width: 24px;
  height: 2px;
  background-color: var(--color-text-light);
  border-radius: 2px;
  transition: all var(--transition-base);
}

.nav__toggle--open span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.nav__toggle--open span:nth-child(2) {
  opacity: 0;
}

.nav__toggle--open span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* ---------- Hero Section ---------- */
.hero {
  padding: calc(72px + var(--space-5xl)) 0 var(--space-5xl);
  background-color: var(--color-charcoal);
  color: var(--color-text-light);
  overflow: hidden;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-4xl);
  align-items: center;
}

.hero__content {
  max-width: 560px;
}

.hero__headline {
  font-size: var(--font-size-4xl);
  line-height: 1.1;
  margin-bottom: var(--space-lg);
  letter-spacing: -0.03em;
}

.hero__headline span {
  color: var(--color-gold);
}

.hero__subtitle {
  font-size: var(--font-size-md);
  line-height: 1.7;
  color: rgba(232, 230, 225, 0.75);
  margin-bottom: var(--space-2xl);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-md);
  margin-bottom: var(--space-lg);
}

.hero__note {
  font-size: var(--font-size-sm);
  color: rgba(232, 230, 225, 0.5);
}

.hero__visual {
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__icons {
  display: flex;
  gap: var(--space-2xl);
}

.hero__icon {
  width: 120px;
  height: 120px;
  border-radius: var(--border-radius-xl);
  background-color: rgba(212, 168, 67, 0.1);
  border: 1px solid rgba(212, 168, 67, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero__icon svg {
  width: 52px;
  height: 52px;
  stroke: var(--color-gold);
  fill: none;
  stroke-width: 1.5;
  stroke-linecap: round;
  stroke-linejoin: round;
}

/* ---------- Problem Section ---------- */
.problem {
  padding: var(--space-5xl) 0;
  background-color: var(--color-white);
}

.problem__content {
  max-width: 720px;
  margin: 0 auto;
}

.problem__text {
  font-size: var(--font-size-md);
  line-height: 1.8;
  color: var(--color-text-muted);
  margin-bottom: var(--space-3xl);
}

.problem__stats {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-xl);
}

.stat-card {
  background-color: var(--color-offwhite);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--space-2xl);
  text-align: center;
}

.stat-card__number {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--color-charcoal);
  margin-bottom: var(--space-xs);
}

.stat-card__label {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ---------- How It Works ---------- */
.how-it-works {
  padding: var(--space-5xl) 0;
  background-color: var(--color-offwhite);
}

.pillars {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
}

.pillar {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--space-2xl);
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.pillar:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.pillar__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--border-radius);
  background-color: var(--color-gold-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
}

.pillar__icon svg {
  width: 28px;
  height: 28px;
  stroke: var(--color-gold);
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.pillar__title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: var(--space-sm);
  color: var(--color-charcoal);
}

.pillar__desc {
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ---------- Industries Section ---------- */
.industries {
  padding: var(--space-5xl) 0;
  background-color: var(--color-white);
}

.industry-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.industry-card {
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-lg);
  padding: var(--space-2xl);
  transition: all var(--transition-base);
  display: flex;
  flex-direction: column;
  text-decoration: none;
  color: inherit;
}

.industry-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--color-gold);
}

.industry-card__icon {
  width: 48px;
  height: 48px;
  border-radius: var(--border-radius);
  background-color: var(--color-steel-light);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-lg);
}

.industry-card__icon svg {
  width: 24px;
  height: 24px;
  stroke: var(--color-steel);
  fill: none;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.industry-card__title {
  font-size: var(--font-size-lg);
  font-weight: 700;
  margin-bottom: var(--space-sm);
  color: var(--color-charcoal);
}

.industry-card__desc {
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
  line-height: 1.7;
  flex-grow: 1;
}

.industry-card__arrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  color: var(--color-gold);
  font-weight: 600;
  font-size: var(--font-size-sm);
  margin-top: var(--space-lg);
  transition: gap var(--transition-fast);
}

.industry-card:hover .industry-card__arrow {
  gap: var(--space-sm);
}

.industries__note {
  text-align: center;
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
}

/* ---------- Pricing Section ---------- */
.pricing {
  padding: var(--space-5xl) 0;
}

.pricing-cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-xl);
  margin-bottom: var(--space-xl);
}

.pricing-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius-xl);
  padding: var(--space-2xl);
  display: flex;
  flex-direction: column;
  position: relative;
  transition: transform var(--transition-base), box-shadow var(--transition-base);
}

.pricing-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}

.pricing-card--featured {
  border: 2px solid var(--color-gold);
  box-shadow: var(--shadow-md);
}

.pricing-card__badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--color-gold);
  color: var(--color-charcoal);
  font-size: var(--font-size-xs);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 0.35rem 1rem;
  border-radius: 20px;
  white-space: nowrap;
}

.pricing-card__name {
  font-size: var(--font-size-lg);
  font-weight: 700;
  color: var(--color-charcoal);
  margin-bottom: var(--space-xs);
}

.pricing-card__tagline {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  font-style: italic;
  margin-bottom: var(--space-lg);
}

.pricing-card__price {
  font-size: var(--font-size-3xl);
  font-weight: 800;
  color: var(--color-charcoal);
  margin-bottom: var(--space-xs);
}

.pricing-card__price span {
  font-size: var(--font-size-base);
  font-weight: 400;
  color: var(--color-text-muted);
}

.pricing-card__period {
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-bottom: var(--space-xl);
}

.pricing-card__divider {
  height: 1px;
  background-color: var(--color-border);
  margin-bottom: var(--space-xl);
}

.pricing-card__features {
  flex-grow: 1;
  margin-bottom: var(--space-xl);
}

.pricing-card__feature {
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  margin-bottom: var(--space-sm);
  font-size: var(--font-size-sm);
  color: var(--color-text-dark);
  line-height: 1.5;
}

.pricing-card__feature svg {
  width: 18px;
  height: 18px;
  stroke: var(--color-success);
  fill: none;
  stroke-width: 2.5;
  flex-shrink: 0;
  margin-top: 2px;
}

.pricing-card .btn {
  margin-top: auto;
}

.pricing__link {
  text-align: center;
}

.pricing__link a {
  color: var(--color-gold);
  font-weight: 600;
  transition: color var(--transition-fast);
}

.pricing__link a:hover {
  color: var(--color-gold-hover);
}

/* ---------- About / Founder Section ---------- */
.founder {
  padding: var(--space-5xl) 0;
  background-color: var(--color-charcoal);
  color: var(--color-text-light);
}

.founder__inner {
  max-width: 720px;
  margin: 0 auto;
}

.founder__text {
  font-size: var(--font-size-md);
  line-height: 1.8;
  color: rgba(232, 230, 225, 0.8);
  margin-bottom: var(--space-lg);
}

.founder__credentials {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-md);
  margin-top: var(--space-2xl);
}

.credential-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.5rem 1rem;
  background-color: rgba(212, 168, 67, 0.1);
  border: 1px solid rgba(212, 168, 67, 0.25);
  border-radius: 24px;
  font-size: var(--font-size-sm);
  color: var(--color-gold);
  font-weight: 500;
}

/* ---------- CTA / Sign-Up Section ---------- */
.cta-section {
  padding: var(--space-5xl) 0;
  background-color: var(--color-offwhite);
}

.cta-section--dark {
  background-color: var(--color-charcoal);
  color: var(--color-text-light);
}

.signup-form {
  max-width: 480px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: var(--space-md);
}

.form-group label {
  display: block;
  font-size: var(--font-size-sm);
  font-weight: 600;
  color: var(--color-text-dark);
  margin-bottom: var(--space-xs);
}

.section--dark .form-group label,
.cta-section--dark .form-group label {
  color: var(--color-text-light);
}

.form-group input,
.form-group select {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  background-color: var(--color-white);
  color: var(--color-text-dark);
  font-size: var(--font-size-base);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus {
  outline: none;
  border-color: var(--color-gold);
  box-shadow: 0 0 0 3px var(--color-gold-light);
}

.form-group input::placeholder {
  color: var(--color-text-muted);
}

.form-note {
  text-align: center;
  font-size: var(--font-size-sm);
  color: var(--color-text-muted);
  margin-top: var(--space-md);
}

/* ---------- FAQ Section ---------- */
.faq {
  padding: var(--space-5xl) 0;
  background-color: var(--color-offwhite);
}

.faq__list {
  max-width: 720px;
  margin: 0 auto;
}

.faq__item {
  border-bottom: 1px solid var(--color-border);
}

.faq__question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-lg) 0;
  font-size: var(--font-size-md);
  font-weight: 600;
  color: var(--color-text-dark);
  text-align: left;
  cursor: pointer;
  transition: color var(--transition-fast);
}

.faq__question:hover {
  color: var(--color-gold);
}

.faq__question svg {
  width: 20px;
  height: 20px;
  stroke: var(--color-text-muted);
  fill: none;
  stroke-width: 2;
  flex-shrink: 0;
  transition: transform var(--transition-base);
}

.faq__item--open .faq__question svg {
  transform: rotate(180deg);
}

.faq__answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height var(--transition-slow), padding var(--transition-slow);
}

.faq__item--open .faq__answer {
  max-height: 300px;
  padding-bottom: var(--space-lg);
}

.faq__answer p {
  font-size: var(--font-size-base);
  color: var(--color-text-muted);
  line-height: 1.7;
}

/* ---------- Footer ---------- */
.footer {
  background-color: var(--color-charcoal);
  color: var(--color-text-light);
  padding: var(--space-3xl) 0 var(--space-xl);
  border-top: 1px solid var(--color-border-dark);
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: var(--space-3xl);
  margin-bottom: var(--space-2xl);
}

.footer__brand {
  max-width: 300px;
}

.footer__logo {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  margin-bottom: var(--space-md);
}

.footer__logo-mark {
  width: 36px;
  height: 36px;
  background-color: var(--color-gold);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--color-charcoal);
}

.footer__logo-text {
  font-size: var(--font-size-base);
  font-weight: 700;
  color: var(--color-text-light);
}

.footer__tagline {
  font-size: var(--font-size-sm);
  color: rgba(232, 230, 225, 0.6);
  line-height: 1.6;
}

.footer__heading {
  font-size: var(--font-size-sm);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-text-light);
  margin-bottom: var(--space-md);
}

.footer__link {
  display: block;
  font-size: var(--font-size-sm);
  color: rgba(232, 230, 225, 0.6);
  margin-bottom: var(--space-sm);
  transition: color var(--transition-fast);
}

.footer__link:hover {
  color: var(--color-gold);
}

.footer__bottom {
  border-top: 1px solid var(--color-border-dark);
  padding-top: var(--space-xl);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.footer__copyright {
  font-size: var(--font-size-sm);
  color: rgba(232, 230, 225, 0.45);
}

.footer__socials {
  display: flex;
  gap: var(--space-md);
}

.footer__social {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--color-border-dark);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition-fast);
}

.footer__social:hover {
  border-color: var(--color-gold);
  background-color: rgba(212, 168, 67, 0.1);
}

.footer__social svg {
  width: 16px;
  height: 16px;
  fill: rgba(232, 230, 225, 0.6);
}

.footer__social:hover svg {
  fill: var(--color-gold);
}

/* ---------- Industry Sub-page ---------- */
.industry-hero {
  padding: calc(72px + var(--space-4xl)) 0 var(--space-4xl);
  background-color: var(--color-charcoal);
  color: var(--color-text-light);
}

.industry-hero__headline {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-md);
}

.industry-hero__desc {
  font-size: var(--font-size-md);
  color: rgba(232, 230, 225, 0.75);
  max-width: 640px;
  line-height: 1.7;
}

.industry-content {
  padding: var(--space-4xl) 0;
}

.industry-content__placeholder {
  max-width: 640px;
  margin: 0 auto;
  padding: var(--space-3xl);
  background-color: var(--color-white);
  border: 2px dashed var(--color-border);
  border-radius: var(--border-radius-lg);
  text-align: center;
  color: var(--color-text-muted);
  font-size: var(--font-size-md);
}

/* ---------- Page Header (for non-home pages) ---------- */
.page-header {
  padding: calc(72px + var(--space-4xl)) 0 var(--space-3xl);
  background-color: var(--color-charcoal);
  color: var(--color-text-light);
  text-align: center;
}

.page-header__headline {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-md);
}

.page-header__subtitle {
  font-size: var(--font-size-md);
  color: rgba(232, 230, 225, 0.7);
  max-width: 560px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ---------- Responsive Design ---------- */
@media (max-width: 1024px) {
  :root {
    --font-size-4xl: 2.75rem;
    --font-size-3xl: 2rem;
  }

  .hero__inner {
    grid-template-columns: 1fr;
    gap: var(--space-3xl);
  }

  .hero__visual {
    display: none;
  }

  .pillars {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto;
  }

  .industry-cards {
    grid-template-columns: 1fr;
    max-width: 500px;
    margin: 0 auto var(--space-xl);
  }

  .pricing-cards {
    grid-template-columns: 1fr;
    max-width: 420px;
    margin: 0 auto var(--space-xl);
  }

  .footer__inner {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  :root {
    --font-size-4xl: 2.25rem;
    --font-size-3xl: 1.75rem;
    --font-size-2xl: 1.5rem;
    --space-5xl: 5rem;
    --space-4xl: 4rem;
  }

  .container {
    padding: 0 var(--space-md);
  }

  .nav__links {
    display: none;
    position: absolute;
    top: 72px;
    left: 0;
    right: 0;
    background-color: var(--color-charcoal);
    flex-direction: column;
    padding: var(--space-xl);
    gap: var(--space-lg);
    border-bottom: 1px solid var(--color-border-dark);
  }

  .nav__links--open {
    display: flex;
  }

  .nav__toggle {
    display: flex;
  }

  .nav__cta {
    margin-left: 0;
    width: 100%;
  }

  .nav__cta .btn {
    width: 100%;
  }

  .problem__stats {
    grid-template-columns: 1fr;
  }

  .footer__inner {
    grid-template-columns: 1fr;
  }

  .footer__bottom {
    flex-direction: column;
    gap: var(--space-md);
    text-align: center;
  }
}

@media (max-width: 480px) {
  :root {
    --font-size-4xl: 1.875rem;
    --font-size-3xl: 1.5rem;
  }

  .hero {
    padding: calc(72px + var(--space-3xl)) 0 var(--space-3xl);
  }

  .section {
    padding: var(--space-4xl) 0;
  }

  .hero__actions {
    flex-direction: column;
    align-items: stretch;
  }

  .hero__actions .btn {
    width: 100%;
  }

  .nav__logo-text {
    display: none;
  }
}